Across
1
Where river meets the sea
2
Flat elevated area of land
5
Low-lying land surrounded by higher ground
8
Dry land with little rainfall
9
Large natural stream of water
10
City that is seat of government
11
Low area between mountains
12
Chain or group of islands
Down
2
Total number of people in an area
3
Line dividing two countries
4
Long-term weather patterns of an area
6
Largest hot desert in the world
7
Region surrounding the North Pole